How long do you have to be in this country...
How long we stay there all depends on the kids' behavior.
How long have you been here? - l don't know.
How long ago did he leave? - I'll check the hallway.
How long they have been doing this has never been clarified.
How long have you been taking laudanum? I recognise its presence.
How long this magic will last, I don't know.
Combien de temps ça va durer, je ne sais pas.
How long do you think having meditated? asks the old man.
Combien de temps penses-tu avoir médité ? interroge le vieil homme.
How long that will be depends on the specific materials being mined.
Combien de temps ce sera dépend des matériaux spécifiques étant extraits.
How long will it be? I expected him this morning.
Combien de temps ça va prendre ? Je l'attendais ce matin.
How long does that last? - A few days at least.
Combien de temps ça dure ? - Au moins quelques jours.
How long have you had that cough? I don't know.
Depuis quand avez-vous cette toux ? - Je ne sais pas.
How long will it be closed? I don't know.
Combien de temps ce sera fermé ? - Je ne sais pas.